/usr/include/llvm-4.0/llvm/PassInfo.h is in llvm-4.0-dev 1:4.0.1-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 | //===- llvm/PassInfo.h - Pass Info class ------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines and implements the PassInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_PASSINFO_H
#define LLVM_PASSINFO_H
#include "llvm/ADT/StringRef.h"
#include <cassert>
#include <vector>
namespace llvm {
class Pass;
class TargetMachine;
//===---------------------------------------------------------------------------
/// PassInfo class - An instance of this class exists for every pass known by
/// the system, and can be obtained from a live Pass by calling its
/// getPassInfo() method. These objects are set up by the RegisterPass<>
/// template.
///
class PassInfo {
public:
typedef Pass* (*NormalCtor_t)();
typedef Pass *(*TargetMachineCtor_t)(TargetMachine *);
private:
StringRef PassName; // Nice name for Pass
StringRef PassArgument; // Command Line argument to run this pass
const void *PassID;
const bool IsCFGOnlyPass; // Pass only looks at the CFG.
const bool IsAnalysis; // True if an analysis pass.
const bool IsAnalysisGroup; // True if an analysis group.
std::vector<const PassInfo *> ItfImpl; // Interfaces implemented by this pass
NormalCtor_t NormalCtor;
TargetMachineCtor_t TargetMachineCtor;
public:
/// PassInfo ctor - Do not call this directly, this should only be invoked
/// through RegisterPass.
PassInfo(StringRef name, StringRef arg, const void *pi, NormalCtor_t normal,
bool isCFGOnly, bool is_analysis,
TargetMachineCtor_t machine = nullptr)
: PassName(name), PassArgument(arg), PassID(pi), IsCFGOnlyPass(isCFGOnly),
IsAnalysis(is_analysis), IsAnalysisGroup(false), NormalCtor(normal),
TargetMachineCtor(machine) {}
/// PassInfo ctor - Do not call this directly, this should only be invoked
/// through RegisterPass. This version is for use by analysis groups; it
/// does not auto-register the pass.
PassInfo(StringRef name, const void *pi)
: PassName(name), PassArgument(""), PassID(pi), IsCFGOnlyPass(false),
IsAnalysis(false), IsAnalysisGroup(true), NormalCtor(nullptr),
TargetMachineCtor(nullptr) {}
/// getPassName - Return the friendly name for the pass, never returns null
///
StringRef getPassName() const { return PassName; }
/// getPassArgument - Return the command line option that may be passed to
/// 'opt' that will cause this pass to be run. This will return null if there
/// is no argument.
///
StringRef getPassArgument() const { return PassArgument; }
/// getTypeInfo - Return the id object for the pass...
/// TODO : Rename
const void *getTypeInfo() const { return PassID; }
/// Return true if this PassID implements the specified ID pointer.
bool isPassID(const void *IDPtr) const { return PassID == IDPtr; }
/// isAnalysisGroup - Return true if this is an analysis group, not a normal
/// pass.
///
bool isAnalysisGroup() const { return IsAnalysisGroup; }
bool isAnalysis() const { return IsAnalysis; }
/// isCFGOnlyPass - return true if this pass only looks at the CFG for the
/// function.
bool isCFGOnlyPass() const { return IsCFGOnlyPass; }
/// getNormalCtor - Return a pointer to a function, that when called, creates
/// an instance of the pass and returns it. This pointer may be null if there
/// is no default constructor for the pass.
///
NormalCtor_t getNormalCtor() const {
return NormalCtor;
}
void setNormalCtor(NormalCtor_t Ctor) {
NormalCtor = Ctor;
}
/// getTargetMachineCtor - Return a pointer to a function, that when called
/// with a TargetMachine, creates an instance of the pass and returns it.
/// This pointer may be null if there is no constructor with a TargetMachine
/// for the pass.
///
TargetMachineCtor_t getTargetMachineCtor() const { return TargetMachineCtor; }
void setTargetMachineCtor(TargetMachineCtor_t Ctor) {
TargetMachineCtor = Ctor;
}
/// createPass() - Use this method to create an instance of this pass.
Pass *createPass() const {
assert((!isAnalysisGroup() || NormalCtor) &&
"No default implementation found for analysis group!");
assert(NormalCtor &&
"Cannot call createPass on PassInfo without default ctor!");
return NormalCtor();
}
/// addInterfaceImplemented - This method is called when this pass is
/// registered as a member of an analysis group with the RegisterAnalysisGroup
/// template.
///
void addInterfaceImplemented(const PassInfo *ItfPI) {
ItfImpl.push_back(ItfPI);
}
/// getInterfacesImplemented - Return a list of all of the analysis group
/// interfaces implemented by this pass.
///
const std::vector<const PassInfo*> &getInterfacesImplemented() const {
return ItfImpl;
}
private:
void operator=(const PassInfo &) = delete;
PassInfo(const PassInfo &) = delete;
};
}
#endif
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